getsentry · AbhiPrasad · Dec 7, 2022 · Nov 15, 2022 · Dec 6, 2022 · Dec 6, 2022
diff --git a/packages/integration-tests/suites/tracing/browsertracing/interactions/assets/script.js b/packages/integration-tests/suites/tracing/browsertracing/interactions/assets/script.js
@@ -0,0 +1,12 @@
+(() => {
+  const startTime = Date.now();
+
+  function getElasped() {
+    const time = Date.now();
+    return time - startTime;
+  }
+
+  while (getElasped() < 105) {
+    //
+  }
+})();
diff --git a/packages/integration-tests/suites/tracing/browsertracing/interactions/init.js b/packages/integration-tests/suites/tracing/browsertracing/interactions/init.js
@@ -0,0 +1,17 @@
+import * as Sentry from '@sentry/browser';
+import { Integrations } from '@sentry/tracing';
+
+window.Sentry = Sentry;
+
+Sentry.init({
+  dsn: 'https://[email protected]/1337',
+  integrations: [
+    new Integrations.BrowserTracing({
+      idleTimeout: 1000,
+      _experiments: {
+        interactionSampleRate: 1.0,
+      },
+    }),
+  ],
+  tracesSampleRate: 1,
+});
diff --git a/packages/integration-tests/suites/tracing/browsertracing/interactions/template.html b/packages/integration-tests/suites/tracing/browsertracing/interactions/template.html
@@ -0,0 +1,10 @@
+<html>
+  <head>
+    <meta charset="utf-8" />
+  </head>
+  <body>
+    <div>Rendered Before Long Task</div>
+    <script src="https://example.com/path/to/script.js"></script>
+    <button data-test-id="interaction-button">Click Me</button>
+  </body>
+</html>
diff --git a/packages/integration-tests/suites/tracing/browsertracing/interactions/test.ts b/packages/integration-tests/suites/tracing/browsertracing/interactions/test.ts
@@ -0,0 +1,36 @@
+import { expect, Route } from '@playwright/test';
+import { Event } from '@sentry/types';
+
+import { sentryTest } from '../../../../utils/fixtures';
+import { getFirstSentryEnvelopeRequest, getMultipleSentryEnvelopeRequests } from '../../../../utils/helpers';
+
+sentryTest('should capture interaction transaction.', async ({ browserName, getLocalTestPath, page }) => {
+  if (browserName !== 'chromium') {
+    sentryTest.skip();
+  }
+
+  await page.route('**/path/to/script.js', (route: Route) => route.fulfill({ path: `${__dirname}/assets/script.js` }));
+
+  const url = await getLocalTestPath({ testDir: __dirname });
+
+  await getFirstSentryEnvelopeRequest<Event>(page, url);
+
+  await page.locator('[data-test-id=interaction-button]').click();
+
+  const envelopes = await getMultipleSentryEnvelopeRequests<Event>(page, 2);
+  const eventData = envelopes[1];
+
+  expect(eventData).toEqual(
+    expect.objectContaining({
+      contexts: expect.objectContaining({
+        trace: expect.objectContaining({
+          op: 'ui.action.click',
+        }),
+      }),
+      platform: 'javascript',
+      spans: [],
+      tags: {},
+      type: 'transaction',
+    }),
+  );
+});
diff --git a/packages/tracing/src/browser/browsertracing.ts b/packages/tracing/src/browser/browsertracing.ts
@@ -1,10 +1,15 @@
 /* eslint-disable max-lines */
 import { Hub } from '@sentry/core';
-import { EventProcessor, Integration, Transaction, TransactionContext } from '@sentry/types';
+import { EventProcessor, Integration, Transaction, TransactionContext, TransactionSource } from '@sentry/types';
 import { baggageHeaderToDynamicSamplingContext, getDomElement, logger } from '@sentry/utils';
 
 import { startIdleTransaction } from '../hubextensions';
-import { DEFAULT_FINAL_TIMEOUT, DEFAULT_HEARTBEAT_INTERVAL, DEFAULT_IDLE_TIMEOUT } from '../idletransaction';
+import {
+  DEFAULT_FINAL_TIMEOUT,
+  DEFAULT_HEARTBEAT_INTERVAL,
+  DEFAULT_IDLE_TIMEOUT,
+  IdleTransaction,
+} from '../idletransaction';
 import { extractTraceparentData } from '../utils';
 import { registerBackgroundTabDetection } from './backgroundtab';
 import { addPerformanceEntries, startTrackingLongTasks, startTrackingWebVitals } from './metrics';
@@ -87,7 +92,7 @@ export interface BrowserTracingOptions extends RequestInstrumentationOptions {
    *
    * Default: undefined
    */
-  _experiments?: Partial<{ enableLongTask: boolean }>;
+  _experiments?: Partial<{ enableLongTask: boolean; enableInteractions: boolean }>;
 
   /**
    * beforeNavigate is called before a pageload/navigation transaction is created and allows users to modify transaction
@@ -120,7 +125,7 @@ const DEFAULT_BROWSER_TRACING_OPTIONS: BrowserTracingOptions = {
   routingInstrumentation: instrumentRoutingWithDefaults,
   startTransactionOnLocationChange: true,
   startTransactionOnPageLoad: true,
-  _experiments: { enableLongTask: true },
+  _experiments: { enableLongTask: true, enableInteractions: false },
   ...defaultRequestInstrumentationOptions,
 };
 
@@ -147,6 +152,9 @@ export class BrowserTracing implements Integration {
 
   private _getCurrentHub?: () => Hub;
 
+  private _latestRouteName?: string;
+  private _latestRouteSource?: TransactionSource;
+
   public constructor(_options?: Partial<BrowserTracingOptions>) {
     this.options = {
       ...DEFAULT_BROWSER_TRACING_OPTIONS,
@@ -185,6 +193,7 @@ export class BrowserTracing implements Integration {
       traceXHR,
       tracePropagationTargets,
       shouldCreateSpanForRequest,
+      _experiments,
     } = this.options;
 
     instrumentRouting(
@@ -197,6 +206,10 @@ export class BrowserTracing implements Integration {
       registerBackgroundTabDetection();
     }
 
+    if (_experiments?.enableInteractions) {
+      this._registerInteractionListener();
+    }
+
     instrumentOutgoingRequests({
       traceFetch,
       traceXHR,
@@ -248,6 +261,9 @@ export class BrowserTracing implements Integration {
         ? { ...finalContext.metadata, source: 'custom' }
         : finalContext.metadata;
 
+    this._latestRouteName = finalContext.name;
+    this._latestRouteSource = finalContext.metadata?.source;
+
     if (finalContext.sampled === false) {
       __DEBUG_BUILD__ &&
         logger.log(`[Tracing] Will not send ${finalContext.op} transaction because of beforeNavigate.`);
@@ -273,6 +289,57 @@ export class BrowserTracing implements Integration {
 
     return idleTransaction as Transaction;
   }
+
+  /** Start listener for interaction transactions */
+  private _registerInteractionListener(): void {
+    let inflightInteractionTransaction: IdleTransaction | undefined;
+    const registerInteractionTransaction = (): void => {
+      const { idleTimeout, finalTimeout, heartbeatInterval } = this.options;
+
+      const op = 'ui.action.click';
+      if (inflightInteractionTransaction) {
+        inflightInteractionTransaction.finish();
+        inflightInteractionTransaction = undefined;
+      }
+
+      if (!this._getCurrentHub) {
+        __DEBUG_BUILD__ && logger.warn(`[Tracing] Did not create ${op} transaction because _getCurrentHub is invalid.`);
+        return undefined;
+      }
+
+      if (!this._latestRouteName) {
+        __DEBUG_BUILD__ &&
+          logger.warn(`[Tracing] Did not create ${op} transaction because _latestRouteName is missing.`);
+        return undefined;
+      }
+
+      const hub = this._getCurrentHub();
+      const { location } = WINDOW;
+
+      const context: TransactionContext = {
+        name: this._latestRouteName,
+        op,
+        trimEnd: true,
+        metadata: {
+          source: this._latestRouteSource ?? 'url',
+        },
+      };
+
+      inflightInteractionTransaction = startIdleTransaction(
+        hub,
+        context,
+        idleTimeout,
+        finalTimeout,
+        true,
+        { location }, // for use in the tracesSampler
+        heartbeatInterval,
+      );
+    };
+
+    ['click'].forEach(type => {
+      addEventListener(type, registerInteractionTransaction, { once: false, capture: true });
+    });
+  }
 }
 
 /** Returns the value of a meta tag */